How much do you know about glasses?

2021-03-08 15:11

In modern society, more and more people are short sighted. In order to protect our eyes, many people choose to wear glasses. However, glasses also have many stresses. If wearing discomfort can not only protect eyesight, but also make eyesight decline, what is the micro common sense of glasses? How much do you know?

1. Do not take glasses frequently, which will cause the retina to lens activity frequently, easy to cause degree rise.

2. If a friend wearing glasses finds that the existing glasses cannot meet the vision requirements, they should go to the regular institutions to check their eyesight in time, correct the myopia, replace the appropriate lenses and review them regularly.

3. If the glasses are placed on the table, do not contact the convex surface of the lens with the table, so as to avoid the mirror being worn. Do not place glasses in the direct sunlight or on the heating bag to prevent the frame from deformation and fading.

4. The normal reading angle of the general people is about 40 degrees. Generally speaking, it is an unnatural angle to look directly at the computer screen, so it is easy to cause tiredness, sore eyes, and even headache. Suggestions for improvement: the height of the seat and the angle of the computer screen should be adjusted so that the center of the screen is between 7 and 10 degrees below the eyes.

5. For the people with naked eye vision of 0.4-0.8, they do not need glasses when they are short sighted. In myopia, the lens thickens and the focal length is formed near. Light myopia is necessary to wear glasses because it is unclear to see in the distance, but when you look at things close to you like reading, you don't have to wear glasses. In addition, to make the eyes recover from fatigue, do more eye exercises. As long as a little heart, can prevent myopia.

6. Attention to eye drops: 1. Wash hands before you click; 2. When more than two kinds of liquid are needed, the two drugs should be separated for at least 3 minutes, and the eyes should be closed for a while after the eye medicine is ordered; 3. The general eye ointment should be applied before sleeping at night to ensure the drug concentration of conjunctival sac at night; 4. The eye medicine that has been opened should not be reused after long time. If necessary, the quality guarantee period, color and transparency of eye medicine shall be checked.

7. After work, we should develop a good habit of blinking more, ensure that at least 15 blinks a minute, let the eyes get a full rest, one or two hours can get up and look out the window, look out the vision, can relieve the pressure.

8. From the perspective of myopia, watching TV reasonably does not increase myopia, on the contrary, it may also reduce the development of pseudomyopia. Because compared with books, TV is a relatively far away object. For pseudomyopia, TV is far away, and it is impossible to see clearly. Ciliary muscle should be adjusted by exerting great effort to relax, and the disguise increases the ability of ciliary muscle change, which is a good way to relax and reduce fatigue.

9. Astigmatism is often aggravated by bad eye posture, such as lying on the ground reading, even squinting or squinting, which can cause improper eyelid pressure on the eyeball, and affect its normal development. Therefore, refusing bad habits is the way to prevent astigmatism and prevent myopia. And these habits are often the cause of myopia, so some people think myopia will cause astigmatism, in fact, there is no relationship between them.

10. Eyes are particularly prone to fatigue and aging due to hard work. It is a good habit to pay attention to eye rest and eye health exercises. In diet, pay attention to eating more "green" foods. Spinach is rich in lutein, vitamin B2, potassium, calcium, magnesium and β- Carotene, can provide the best protection for the eyes against aging, let the eyes more beautiful!

11. Do not touch the lens by hand, because there are oil marks on the hands, and do not wipe glasses with clothes or general paper. One is not clean to affect the vision. Secondly, it will bring bacteria and other pathogenic microorganisms to the glasses. The distance between the eyes and the lens is very close. The pathogenic microorganism can be transmitted to the eyes through air, causing inflammation of the eyes.

12. Can not squint, can not see words must not squint.

13. Wear a long time can be properly picked off to look away for a while.

14. Adjust the nose support and frame of glasses to fit their comfort, otherwise it will cause fatigue of eyes.